LO.2 (WA EUP; cost per WA EUP) Waltham Mfg. makes skateboards and uses a weighted average process costing system. On May 1, 2010, the company had 400 boards in process that were 70 percent complete as to material and 85 percent complete as to conversion. During the month, 3,800 additional boards were started. On May 31, 300 boards were still in process (40 percent complete as to material and 60 percent complete as to conversion). Cost information for May 2010 is as follows: Beginning WIP Inventory costs Direct material $ 4,349 Conversion 4,658 Current period costs Direct material 60,775 Conversion 46,750 a. Calculate EUP for each cost component using the weighted average method. b. Calculate cost per EUP for each cost component.